Global Patent Index - EP 0786925 A2

EP 0786925 A2 19970730 - White light-emitting electroluminescent devices

Title (en)

White light-emitting electroluminescent devices

Title (de)

Weiss-ausstrahlende organische Elektrolumineszenzvorrichtungen

Title (fr)

Dispositifs électroluminescents émettant de la lumière blanche

Publication

EP 0786925 A2 19970730 (EN)

Application

EP 97200088 A 19970113

Priority

US 59283096 A 19960126

Abstract (en)

An electroluminescent device includes an anode, a positive-hole transporting layer made of an organic compound, a fluorescent emitting layer made of an organic compound, a cathode. The fluorescent emitting layer includes a red light emitting material uniformly dispersed in a host emitting material. The host emitting material being adapted to emit in the blue green regions so that the light produced by this device is substantially white. <IMAGE>

IPC 1-7

H05B 33/14; C09K 11/06

IPC 8 full level

C07F 5/06 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01); H05B 33/12 (2006.01); H05B 33/14 (2006.01); H05B 33/20 (2006.01)

CPC (source: EP US)

C07F 5/069 (2013.01 - EP US); C09K 11/06 (2013.01 - EP US); H05B 33/14 (2013.01 - EP US); Y02B 20/00 (2013.01 - EP US); Y10S 428/917 (2013.01 - EP)

Citation (applicant)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0786925 A2 19970730; EP 0786925 A3 19970924; EP 0786925 B1 20020619; DE 69713410 D1 20020725; DE 69713410 T2 20030220; JP 3869061 B2 20070117; JP H09208946 A 19970812; US 5683823 A 19971104

DOCDB simple family (application)

EP 97200088 A 19970113; DE 69713410 T 19970113; JP 1101197 A 19970124; US 59283096 A 19960126